CVE-2026-113355

Medium

Description

Chatwoot before 4.14.0 contains a stored cross-site scripting vulnerability that allows account administrators to inject JavaScript by crafting video-embed links in Help Center articles. Attackers can use angle-bracket link destinations with double quotes to break out of the unescaped iframe src attribute in render_embed_from_match, executing scripts for public visitors and stealing cw_conversation widget tokens.

SeverityMedium

CVSS4.8

Exploit probability—

Product

Chatwoot

PublishedOct 20, 2026

First seenOct 20, 2026

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

chatwoot chatwoot4.14.0 or later

Patches

Vendor advisories

github.com/chatwoot/chatwoot/releases/tag/v4.14.0

Affected products

Product	Affected versions	Fixed in
chatwoot chatwoot	v < 4.14.0	4.14.0

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